Spotfin jawfish

📖 Overview

Spotfin jawfish (Opistognathus robinsi) is a ray-finned fish of the family Opistognathidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 13.1 cm. With a trophic level of 3.5, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 10 - 11; Dorsal soft rays (total): 15 - 18; Anal spines: 2 - 3; Anal soft rays: 16 - 18; Vertebrae: 29 - 31. Anterior nostril a short tube with simple cirrus on posterior rim; posterior end of maxilla of adult males produced as a thin flexible lamina that usually extends beyond posterior margin of opercle; spinous dorsal fin with black spot encircled by broad white ring; adult males with inner lining of maxilla and adjacent membranes with prominent black stripe (stripe usually absent or light brown and poorly developed in females; buccal pigmentation consisting of a large dark area widely surrounding esophageal opening, including medial area between upper pharyngeal tooth patches; caudal vertebrae typically 20 .: elongated.

🌀 Behaviour

Behavioural data for Spotfin jawfish is currently being reviewed.

🦐 Diet

Diet information for Spotfin jawfish is currently being compiled.

🥚 Reproduction

Reproduction data for Spotfin jawfish is currently being compiled.

🌍 Habitat & Distribution

Marine; demersal; depth range ? - 46 m , usually ? - 20 m . Tropical Central Atlantic: USA and the Bahamas.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 6 records indexed .

👥 Community & Contribute